<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <!-- 将所有的标签修改样式，不需要调用 -->
    <style>
        * {
            color: red;
        }
    </style>
</head>
<body>
    <div>wode</div>
    <span>wdde</span>
    <ul>
        <li>1</li>
        <li>2</li>
        <li>3</li>
    </ul>
</body>
</html>